var currentPhoto = 0;
var secondPhoto = 1;

var currentOpacity = new Array();


var FADE_STEP = 2;
var FADE_INTERVAL = 10;
var pause = false;

	// String found if this is a AppleWebKit based product
			var kitName = "applewebkit/";
			var tempStr = navigator.userAgent.toLowerCase();
			var pos = tempStr.indexOf(kitName);
			var isAppleWebkit = (pos != -1);

function init() {
	currentOpacity[0]=99;
	for(i=1;i<imageArray.length;i++)currentOpacity[i]=0;
	mHTML="";
	for(i=0;i<imageArray.length;i++)mHTML+="<div id=\"photo\" name=\"photo\" class=\"mPhoto\"><img src=\"" + imageArray[i]  +"\"></div>";
	document.getElementById("mContainer").innerHTML = mHTML;

	
		if (isAppleWebkit) {
				// Grab the version
				var kitVersion = tempStr.substring(pos + kitName.length,tempStr.length);
				kitVersion = kitVersion.substring(0,kitVersion.indexOf(" "));
				document.getElementsByName("photo")[currentPhoto].style.opacity = .99;
		
			}
	else {
	
	if(document.all) {
		document.getElementsByName("photo")[currentPhoto].style.filter="alpha(opacity=100)";
	} else {
		document.getElementsByName("photo")[currentPhoto].style.MozOpacity = .99;
	}
	
	}

	mInterval = setInterval("crossFade()",FADE_INTERVAL);
}

function crossFade() {
	if(pause)return;

	currentOpacity[currentPhoto]-=FADE_STEP;
	currentOpacity[secondPhoto] += FADE_STEP;

	if(document.all) {
		document.getElementsByName("photo")[currentPhoto].style.filter = "alpha(opacity=" + currentOpacity[currentPhoto] + ")";
		document.getElementsByName("photo")[secondPhoto].style.filter = "alpha(opacity=" + currentOpacity[secondPhoto] + ")";
	} 
	else {
			if (isAppleWebkit) {
				// Grab the version
				document.getElementsByName("photo")[currentPhoto].style.opacity = currentOpacity[currentPhoto]/100;
				document.getElementsByName("photo")[secondPhoto].style.opacity = currentOpacity[secondPhoto]/100;
		
			}
			else {
				document.getElementsByName("photo")[currentPhoto].style.MozOpacity = currentOpacity[currentPhoto]/100;
				document.getElementsByName("photo")[secondPhoto].style.MozOpacity = currentOpacity[secondPhoto]/100;
			}
	}

	if(currentOpacity[secondPhoto]/100>=.98) {
		currentPhoto = secondPhoto;
		secondPhoto++;
		if(secondPhoto == imageArray.length)secondPhoto=0;
		pause = true;
		xInterval = setTimeout("pause=false",2000);
	}
}

function doPause()  {
	if(pause) {
		pause = false;
		document.getElementById("pauseBtn").value = "pause";
	} else {
		pause = true;
		document.getElementById("pauseBtn").value = "play";
	}
}
